| CDT, Consumer disposition to trust (AVE = 0.771; item reliabilities = 0.944) |
| I generally trust other people. | 0.891 | Kim et al. (2008) |
| I generally have faith in humanity. | 0.872 | Kim et al. (2008) |
| I feel that people are generally reliable. | 0.889 | Kim et al. (2008) |
| I generally trust other people, unless they give me reasons not to. | 0.846 | Kim et al. (2008) |
| I feel that people are generally well meaning. | 0.892 | Own elaboration |
|
| PUOP, Perceived usefulness of online purchases (AVE = 0.749; total reliability = 0.937) |
| Online purchases make it easier to buy products. | 0.872 | Ashraf et al. (2014) |
| Compared to physical channels, online shopping takes less time. | 0.871 | Shang et al. (2005) |
| Compared to purchases in stationary stores, using online purchases enhances my shopping task effectiveness. | 0.839 | Kim et al. (2007) |
| Compared to purchases in stationary stores, using online shopping makes it easier to purchase. | 0.892 | Kim et al. (2007) |
| Compared to purchases in stationary stores, using online purchases saves me effort in performing tasks. | 0.853 | Kim et al. (2007) |
|
| IFOP, Perceived legal protection of online purchases (AVE = 0.726; total reliability = 0.949) |
| The existing laws in my country are sufficient to protect consumers’ online privacy. | 0.882 | Lwin et al. (2007) |
| There are stringent international laws to protect personal information of individuals on the Internet. | 0.843 | Lwin et al. (2007) |
| The government is doing enough to ensure that consumers are protected against online privacy violations. | 0.867 | Lwin et al. (2007) |
| The existing laws in my country are sufficient to protect online purchases. | 0.852 | Own elaboration |
| There are stringent international laws to protect cross-border online purchases. | 0.814 | Own elaboration |
| Protection of consumers against violations in the cross-border online purchases is adequate in the EU. | 0.877 | Own elaboration |
| The right to withdraw from the distance contract strongly protects consumers’ online purchases. | 0.827 | Own elaboration |
|
| PGI, Possibility of infection (AVE = 0.826; total reliability = 0.934) |
| The possibility of being infected with Coronavirus through contact with others, such as in or on the way to a stationary store. | 0.929 | Own elaboration |
| The possibility of being infected with Coronavirus through contact with a courier delivering a package from an online store. | 0.926 | Own elaboration |
| The possibility of getting infected with Coronavirus through contact with package from online store. | 0.870 | Own elaboration |
|
| LSAE, Changes in retailers’ activity during COVID-19 pandemic (AVE = 0.644; total reliability = 0.915) |
| No open stationary stores near where I live. | 0.726 | Own elaboration |
| Shortages or limited availability of goods in stationary stores during the pandemic. | 0.861 | Own elaboration |
| Long queues at stationary stores during the pandemic. | 0.821 | Own elaboration |
| Extended return time limits introduced by online stores during the pandemic. | 0.765 | Own elaboration |
| Extended delivery times for packages from online stores. | 0.807 | Own elaboration |
| Restrictions on the deliveries of goods from other countries. | 0.828 | Own elaboration |
|
| LI, Legal pandemic regulations related to shopping in brick-and-mortar shops (AVE = 0.754; total reliability = 0.924) |
| Restrictions related to purchasing at stationary stores during the pandemic, e.g., limit on people in the store, hours for seniors. | 0.901 | Own elaboration |
| Social isolation requirements. | 0.897 | Own elaboration |
| Closing of stores where I purchase certain products. | 0.818 | Own elaboration |
| Requirements to cover nose and mouth and use gloves in stationary stores. | 0.854 | Own elaboration |
|
| PLQ, Perception of quality of information on a foreign MSP and its layout (AVE = 0.753; total reliability = 0.948) |
| Visually, I highly value this platform. | 0.860 | McKnight et al. (2002) |
| On the website of this MSP I can easily find the contact details. | 0.862 | McKnight et al. (2002) |
| On this platform I can go to exactly what I want quickly. | 0.872 | Ha and Stoel (2009) |
| This platform provides reliable information. | 0.872 | Kim et al. (2008) |
| This platform provides sufficient information when I try to make a transaction. | 0.868 | Kim et al. (2008) |
| I am satisfied with the information that this platform provides. | 0.872 | Kim et al. (2008) |
|
| PPR, Perceived reputation of a foreign MSP (AVE = 0.778; total reliability = 0.933) |
| This platform is very well known. | 0.819 | Kim et al. (2008) |
| This platform has a very good reputation. | 0.924 | Kim et al. (2008) |
| This platform's vendors have a reputation for being honest. | 0.897 | Kim et al. (2008) |
| Overall, brands sold on this platform are very well perceived. | 0.886 | Kim et al. (2008) |
|
| PPS, Perceived payment security on a foreign MSP (AVE = 0.853; total reliability = 0.946) |
| This platform vendor implements security tools (e.g., identification) to protect Internet shoppers. | 0.929 | Kim et al. (2008) |
| I feel safe about the electronic payment system of this platform. | 0.895 | Kim et al. (2008) |
| I feel secure to use my credit card on this platform to make a purchase. | 0.946 | Kim et al. (2008) |
|
| PCS, Perceived customer service on a foreign MSP (AVE = 0.745; total reliability = 0.946) |
| This platform online shopping system fully responds to customer needs. | 0.857 | Ha and Stoel (2009) |
| This platform guarantees fast delivery. | 0.762 | Ha and Stoel (2009) |
| This platform's customer service personnel are always willing to help. | 0.893 | Ha and Stoel (2009) |
| Inquiries on this platform are answered promptly. | 0.886 | Ha and Stoel (2009) |
| This platform promises an easy return mode. | 0.889 | Oghazi et al. (2018) |
| I believe that the return time limits offered by this platform are very beneficial to consumers. | 0.885 | Own elaboration |
|
| PPB, Perception of products and brands sold on a foreign MSP (AVE = 0.704; total reliability = 0.904) |
| This platform offers only reliable products. | 0.896 | Ozen and Kaya (2013) |
| This platform offers only original branded products. | 0.798 | Ozen and Kaya (2013) |
| This platform offers only high-quality products. | 0.881 | Ozen and Kaya (2013) |
| This platform offers many value-for-money products. | 0.774 | Kim and Niehm, (2009) |
|
| PPC, Perception of prices and costs on a foreign MSP (AVE = 0.677; total reliability = 0.926) |
| This platform charges low delivery fee. | 0.772 | Oghazi et al. (2018) |
| This platform charges low return fee. | 0.629 | Oghazi et al. (2018) |
| This platform has attractive discounts and sales promotions. | 0.856 | Shang et al. (2005) |
| The prices on this platform are significantly lower compared to other online stores. | 0.877 | Delafrooz et al. (2009) |
| The prices on this platform are significantly lower compared to other stationery shops. | 0.870 | Own elaboration |
| This platform offers relatively low prices for products. | 0.902 | Own elaboration |
|
| PVP, Perceived value of purchases on a foreign MSP (AVE = 0.777; total reliability = 0.946) |
| Compared to the price I need to pay, this platform's offers are characterized by significant value for money. | 0.921 | Kim et al. (2007) |
| Compared to the price I need to pay, this platform offers reasonable prices. | 0.897 | Kim et al. (2007) |
| Compared to the effort I need to put in, this platform's offer is beneficial to me. | 0.796 | Kim et al. (2007) |
| Compared to the time I need to spend, this platform's offer is worthwhile to me. | 0.886 | Kim et al. (2007) |
| When I compare what I get for what I give, shopping from this platform offers a good value. | 0.902 | Kim et al. (2007) |
|
| OPI, Consumer online purchase intentions (AVE = 0.785; total reliability y = 0.948) |
| I am likely to purchase products in online stores. | 0.904 | Kim et al. (2008) |
| I am likely to make another purchase from this online store if I need the products I have purchased. | 0.901 | Kim et al. (2008) |
| In the future, I will continuously purchase products from online stores. | 0.846 | Asharf et al. (2014) |
| If I have to do this over again, I would choose online purchases. | 0.903 | Kim and Niehm (2009) |
| I would recommend online purchases to others. | 0.875 | Kim and Niehm (2009) |
|
| IPFP, Consumer intentions to purchase on a foreign MSP (AVE = 0.771; total reliability = 0.944) |
| I am likely to make another purchase from this platform if I need the products I have purchased. | 0.883 | Kim et al. (2007) |
| I intend to purchase product on this platform continuously in the future. | 0.874 | Kim et al. (2007) |
| I am likely to recommend this platform to other people. | 0.889 | Kim et al. (2007) |
| I would say positive things about this platform to other people. | 0.868 | Kim et al. (2007) |
| I consider myself to be very loyal to this platform. | 0.877 | Kim et al. (2007) |